[everything]
     unexpand and delete whitespace at EOL; ok markus@
     (done locally and RCS IDs synced)

   <Lutz.Jaenicke@aet.TU-Cottbus.DE>
 - Use mkinstalldirs script to make directories instead of non-portable
   "install -d". Suggested by Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE>